Nucleotides are the scientific name for complex substances that help maintain all organisms' genes in a single strand of DNA. DNA's coding parts are Adenine (A), Thymine (T), Cytosine (C), and Guanine (G). Amino acids are assembled into proteins from DNA to ribosomes in the cytoplasm. What is the scientific name for the complex substances that help maintain all organisms' genes in a single strand of DNA?
1) Nucleotides
2) Amino acids
3) Ribosomes
4) DNA
